Home / 31,485.56-47,224.26-9,301.28

Finding the Fourth Proportional to 31,485.56, 47,224.26 and 9,301.28

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Solution

The fourth proportional to 31,485.56, 47,224.26 and 9,301.28 is: 13,950.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,485.56 : 47,224.26 = 9,301.28 : x
  2. Step 2: Convert to fraction form
    31,485.56/47,224.26 = 9,301.28/x
  3. Step 3: Cross multiply
    31,485.56x = 47,224.26 × 9,301.28
  4. Step 4: Simplify right side
    31,485.56x = 439,245,828.93
  5. Step 5: Solve for x
    x = 439,245,828.93/31,485.56
  6. Step 6: Final answer
    x = 13,950.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.